Hempcrete Construction Break-Even: About $94K Monthly Revenue

Fixed costs $64.1K/mo Overhead plus payroll

Contribution margin 69% After variable costs

Break-even revenue $93K/mo Monthly target

Break-even timing Month 2 Launch month

Break-even calculator

Use this to test whether monthly revenue covers variable costs first, then the fixed cost base.

Lean Base Full

Monthly revenue Revenue must cover direct costs first, then fixed overhead. $ Less sales More sales Variable expenses Direct costs that rise with each dollar of sales. $ Lower costs Higher costs

Money available to cover fixed costs $652,750 $928,583 revenue - $275,833 variable expenses

Margin ratio

70%

Covers fixed costs

Yes

Fixed monthly costs Monthly overhead the business has to cover. $ Lighter load Heavier load

Break-even chart Revenue Total costs

Which expenses are fixed and which move with sales in a hempcrete construction model?

Cost classification

Break-even is only as good as the cost split behind it. If crew labor, freight, or testing gets buried in overhead, Month 2 break-even can look safer than the cash model really is.

Expense	Cost	Break-Even Treatment	Common Mistake
Manufacturing Facility Lease	Fixed	Load $12,000 per month into overhead from Month 1 through Month 60.	Spreading lease as a per-panel charge.
R and D Lab Maintenance	Fixed	Include $3,500 per month in the monthly break-even hurdle.	Leaving lab upkeep out until revenue scales.
Software Licenses and ERP	Fixed	Include $2,500 per month as recurring admin overhead.	Treating required operating software as optional.
Salaried Operating Team	Semi-fixed	Use Year 1 salaries of $445,000, or about $37,083 per month, then step up as FTE count rises.	Leaving admin payroll out of overhead.
Hemp Hurd and Lime Binder	Variable	Apply $45 plus $30 per wall panel when calculating unit contribution.	Modeling material usage as flat monthly spend.
Construction Crew Labor	Variable	Apply $35,000 per custom home build because it moves with project volume.	Treating crew labor as fully fixed.
Shipping and Logistics	Variable	Apply 5.0% of first-year revenue, declining to 3.0% by Year 5 in the model.	Hiding freight inside materials.
Equipment Maintenance and Facility Utilities	Semi-variable	Track throughput-linked charges of 0.4% and 0.6% of revenue, separate from fixed admin utilities.	Capitalizing routine equipment use incorrectly.

How does break-even move across lean, base, and full hempcrete construction scenarios?

Scenario table

The lean case barely covers overhead, the base case moves into profit by Month 2, and the full case has the widest cushion. The shift comes from project mix, contribution margin, and fixed payroll that grows slower than revenue.

Planning figures only; actual break-even will move with site timing, rework, and mix changes.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean operating break-even	$93,540	$29,457	$64,083	68.5%	$0	Just covers overhead, so any delay can flip it negative.
Base Year 1 forecast	$278,833	$93,583	$64,083	66.4%	$121,167	Above break-even by Month 2, with room if jobs stay on schedule.
Full-capacity Year 3 reference	$928,583	$283,750	$77,833	69.4%	$567,000	Scale creates a wide cushion, but rework or idle crews can eat it fast.

What breaks the break-even plan for hempcrete construction?

Stress test

The base plan has room, but the cushion narrows fast if monthly revenue slips or if hemp hurd, binder, freight, or rework push variable costs up. The real risk is cash in Month 2, not just profit.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$93,540	$185,293 cushion	Base monthly revenue still clears break-even.
Revenue shortfall	Monthly revenue falls 10% below plan.	$93,540	$157,410 cushion	Slower custom home starts or weaker commercial use cut the cushion fast.
Fixed-cost pressure	Fixed overhead rises by $10,000 per month.	$108,139	$170,694 cushion	Every $10,000 of overhead adds about $14,600 to required monthly revenue.
Margin pressure	Variable expenses rise from 31.5% to 36.5%.	$100,918	$177,915 cushion	Hemp hurd, binder, freight, or rework pressure pushes the floor higher.
Combined pressure	Monthly revenue drops 15%, fixed overhead rises $10,000, and variable expenses rise to 36.5%.	$116,666	$119,342 cushion	The cushion is thinner, and Month 2 cash need of $978,000 becomes the real constraint.

What should you verify before you sign the first big hempcrete commitment?

Founder checklist

Don’t lock the lease, crew, or equipment until signed or near-signed work can clear about $93,540 a month and the first-year volume plan still looks real. The model also needs $978,000 minimum cash in Month 2, so a weak launch becomes a cash problem fast.

1Pipeline Cover$93.5K/mo

Verify signed or near-signed projects can clear the $93,540 monthly break-even target and keep the Year 1 volume plan believable before you commit to fixed costs.

2Fixed Load$64.1K/mo

Check that the monthly fixed load of about $64.1K, including lease, lab, insurance, marketing, utilities, software, and base payroll, fits the cash you can carry.

3Price Test$450 / $450K / $85 / $120 / $5K

Test the sale prices at $450 per panel, $450,000 per custom home, $85 per commercial square foot, $120 per spray mix unit, and $5,000 per consulting package against the direct cost stack.

4Supplier Quotes$125/panel

Lock supplier quotes for hemp hurd, lime binder, timber framing, binder supply, and spray inputs now, because the panel line only leaves about $325 gross per unit at the current price.

5Labor Ramp1,200 / 4 / 10k

Confirm the team can actually deliver 1,200 wall panels, 4 custom homes, 10,000 commercial square feet, 800 spray mix units, and 12 consulting packages in the first year.

6Cash Cushion$750K + $978K

Reserve cash for the $750,000 capex plan and the $978,000 minimum cash need in Month 2, and delay hiring if demand is not visible yet.